#511C69#511C69

#511C69 is a dark, vivid purple. Relative luminance 0.036; OKLCH L 34.7% C 0.132 H 313.2°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#511C69
RGB	rgb(81, 28, 105)
HSL	hsl(281, 58%, 26%)
HSV	hsv(281, 73%, 41%)
CMYK	cmyk(22.9%, 73.3%, 0%, 58.8%)
CIE-LAB	lab(22.30, 37.87, -34.23)
CIE-LCH	lch(22.30, 51.05, 317.89°)
OKLab	oklab(34.69% 0.0906 -0.0965)
OKLCH	oklch(34.69% 0.132 313.2)
XYZ	xyz(6.3579, 3.6000, 13.7218)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	purple

Closest named colors

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#511C69 #34691C

analogous

#2A1C69 #511C69 #691C5A

triadic

#511C69 #69511C #1C6951

tetradic

#511C69 #692A1C #34691C #1C5A69

square

#511C69 #692A1C #34691C #1C5A69

split-complementary

#511C69 #5A691C #1C692A

monochromatic

#130618 #2C0F39 #511C69 #762999 #9B36C9

Accessibility & contrast

On white

12.21

#511C69 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#511C69 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #511C69

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##511C69	#FFFFFF	#000000	##FFFFFF
##511C69	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336B

Deuteranopia (green-blind)

#163767

Tritanopia (blue-blind)

#4E2C40

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #511c69;
/* rgb */ color: rgb(81, 28, 105);
/* oklch */ color: oklch(34.7% 0.132 313.2);

Tailwind

colors: {
  custom: {
    50: '#855d94',
    500: '#511c69',
    950: '#000000',
  },
}

SCSS

$custom: #511c69;
$custom-light: #855d94;
$custom-dark: #000000;

JSON

{
  "hex": "#511c69",
  "rgb": {
    "r": 81,
    "g": 28,
    "b": 105
  },
  "hsl": {
    "h": 281.299,
    "s": 57.895,
    "l": 26.078
  },
  "oklch": {
    "l": 0.34685,
    "c": 0.13243,
    "h": 313.2
  },
  "luminance": 0.036
}

Semantic roles & 50–950 ramp

primary

#511C69

secondary

#5F9E43

accent

#E14777

background

#F8F5F9

surface

#EFE9F1

border

#CAC5CB

text

#0B040D

muted

#7C797E

Preview Lab

Preview with #511C69

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →